Prior to 2040, the last planetary quintuplet occurred in the year 1186, and according to Uptain, records show that the close ...

"This mission's trailblazing research is rewriting the textbooks on solar science by going to a place no human-made object ...

A year has 365 days because Earth takes about 365.25 days to orbit the Sun. The extra 0.25 days are balanced by adding a leap ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

The first day of spring in the Northern Hemisphere falls on March 20, 2025, marking the vernal equinox. The event occurs when ...

NASA's Parker Solar Probe just screamed past the Sun for the 23rd time, once again matching its own records for closest ...

Isar Aerospace is preparing to launch its Spectrum rocket from a base in Norway, which would make it the first orbital launch ...

This is what Mr Musk said he wanted to do last year. Then it seemed barely plausible. Today it looks next to impossible. Mr ...

Asteroids’ orbits around the sun may put them in collision paths with inner planets. We may have had a near-miss, but ...

Earth's spin, of course, is not the only motion we have in space. Our orbital speed around the sun is about 67,000 mph (107,000 km/h), according to Cornell. We can calculate that with basic geometry.